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Empirical evaluation and pathway modeling of visual attention to virtual humans in an appearance fidelity continuum
Journal on Multimodal User Interfaces ( IF 2.9 ) Pub Date : 2020-08-06 , DOI: 10.1007/s12193-020-00341-z
Matias Volonte , Reza Ghaiumy Anaraky , Rohith Venkatakrishnan , Roshan Venkatakrishnan , Bart P. Knijnenburg , Andrew T. Duchowski , Sabarish V. Babu

In this contribution we studied how different rendering styles of a virtual human impacted users’ visual attention in an interactive medical training simulator. In a mixed design experiment, 78 participants interacted with a virtual human representing a sample from the non-photorealistic (NPR) to the photorealistic (PR) rendering continuity. We presented five rendering style samples scenarios, namely All Pencil Shaded (APS), Pencil Shaded (PS), All Cartoon Shaded (ACT), Cartoon Shaded (CT), and Human-Like (HL), and compared how visual attention differed between groups of users. For this study, we employed an eye tracking system for collecting and analyzing users’ gaze during interaction with the virtual human in a failure to rescue medical training simulation. Results shows that users spent more total time in the APS and ACT conditions but users visually attended more to virtual humans in the PS, CT and HL appearance conditions.



中文翻译:

外观逼真连续体中虚拟人视觉注意力的经验评估和路径建模

在这项贡献中,我们研究了在交互式医学培训模拟器中虚拟人的不同渲染样式如何影响用户的视觉注意力。在一个混合设计实验中,有78名参与者与一个虚拟人进行了交互,代表从非真实感(NPR)到真实感(PR)渲染连续性的样本。我们介绍了五个渲染样式示例场景,分别是“所有铅笔底纹”(APS),“铅笔底纹”(PS),“所有卡通底纹”(ACT),“卡通底纹”(CT)和“人像”(HL),并比较了视觉注意力之间的差异用户组。在本研究中,我们采用了眼动追踪系统来收集和分析与虚拟人互动时用户的凝视,而这无法挽救医学培训模拟。

更新日期:2020-08-06
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